Monica’s grandmother, whose deep, resilient love and complex past influence Monica’s understanding of family and heritage.

A charismatic Princeton student whose academic project connects her to Monica and catalyzes Monica’s growth and confrontation with her own beliefs.

Yun’s cousin, whose actions during wartime have lasting impacts and provide guidance and closure for Monica’s search.

A mentor figure who becomes an antagonist, representing the ethical challenges in technology and data commodification.

Monica’s grandfather, a retired cryptographer, who provides unwavering support and stability for both Yun and Monica.